forum threadjk6812 | Staff posted Today 06:11 AM
Item 1 of 6
Item 1 of 6
forum threadjk6812 | Staff posted Today 06:11 AM
Roadbox UPF 50+ Men's Long Sleeve Fishing Shirt w/ Hood (Gray) $9.99 + Free Shipping w/ Prime or on $35+
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**The reassuring part:**
- Polyester is chemically inert enough that for someone with healthy skin, the microplastics shed by a polyester shirt are unlikely to be absorbed, since intact skin is a strong barrier [ScienceInsights](https://scienceinsights
- There aren't many studies yet that draw firm conclusions about how microplastic exposure from clothing actually affects human health [NPR](https://www.npr.org/2026/01/20/nx...c-clothing) — a lot of the concern is still "we know it's there, we don't fully know the impact."
**The legitimate concerns:**
- **Skin issues**: up to 70% of people with sensitive skin report rashes, itching, or contact dermatitis from synthetic clothing [Arms of Andes](https://armsofandes.com/blogs/new...roplastic
- **Trace chemicals**: finished polyester can contain antimony (a manufacturing catalyst, classified as a possible carcinogen) at low concentrations, plus occasional formaldehyde or PFAS finishes depending on the garment.
- **Bigger exposure route isn't your skin, it's inhalation** — microfibers released during laundering and wear end up in air and water, which is the greater exposure route compared to skin contact [ScienceInsights](https://scienceinsights
- **Environmental/downstream**: every wash releases roughly 700,000 microplastic fibers into waterways [NeceSera](https://www.necesera.co
**Practical takeaway:**
- Wash new polyester before wearing it
- Look for OEKO-TEX or bluesign certified fabrics if you want lower chemical residue
- If you have sensitive skin or eczema, natural fibers (cotton, bamboo) next to skin will likely feel and behave better
- For most healthy adults wearing it occasionally, it's not something to panic about
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